Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Beetles, bugs, ants, and other insects without obvious wings - 1/4 inch - 1/2 inch long > Red-necked cane borer
Red-necked cane borer
Susan Ellis, Bugwood.org
Jeff Hahn, University of Minnesota
Size: 1/4 inch long
Where/When: Found on Raspberry and blackberry in late May or early June.
Significance: Affected cane may die or break off at swollen point.
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